Finding the Fourth Proportional to 39,152,403.58, 58,639,146.09 and 18,696,452.14
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Solution
The fourth proportional to 39,152,403.58, 58,639,146.09 and 18,696,452.14 is: 28,001,958.71
Step by Step Solution
- Step 1: Write the proportion equation
39,152,403.58 : 58,639,146.09 = 18,696,452.14 : x - Step 2: Convert to fraction form
39,152,403.58/58,639,146.09 = 18,696,452.14/x - Step 3: Cross multiply
39,152,403.58x = 58,639,146.09 × 18,696,452.14 - Step 4: Simplify right side
39,152,403.58x = 1,096,343,988,402,153.25 - Step 5: Solve for x
x = 1,096,343,988,402,153.25/39,152,403.58 - Step 6: Final answer
x = 28,001,958.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.